. ♪ ♪ (train horn) vo: wherever our trains go, the economy comes to life. norfolk southern. one line, infinite possibilities. >>> ahead on "starting point," the latest from here in boston. the latest on the investigation and tell you about the city of boston, back on its feet. boylston street, the site of the marathon bombing, open once again totality public. a full nine days after those bombings. also, a public memorial for slain m.i.t. police officer sean collier. we'll talk to two police officers about this slain officer and get the latest on the investigation. we've reduced taxes and lowered costs to save businesses more than two billion dollars to grow jobs, cut middle class income taxes to the lowest rate in sixty years, and we're creating tax free zones for business startups. the new new york is working creating tens of thousands of new businesses, and we're just getting started. to grow or start your business visit thenewny.com [ male announcer ] from the way the bristles move to the way they clean, once you try an oral-b deep sweep power brush, you'll never go back